--- /usr/lib/update-notifier/update-motd-fsck-at-reboot~	2011-03-31 17:32:28.000000000 +0100
+++ /usr/lib/update-notifier/update-motd-fsck-at-reboot	2011-06-25 12:32:28.756645077 +0100
@@ -18,7 +18,7 @@
 fi
 
 now=$(date +%s)
-if [ $(($stampt + 3600)) -lt $now ]; then
+if [ $(($stampt + 3600)) -lt $now ] || [ $stampt -gt $now ]; then
     #echo $stampt $now need update 
 	NEEDS_FSCK_CHECK=yes
 fi